package ldh.fxanimations;

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.scene.Node;
import javafx.util.Duration;

/**
 * Animate a bounce out down big effect on a node
 *
 * Port of BounceOutDownBig from Animate.css http://daneden.me/animate by Dan Eden
 *
 * {@literal @}keyframes bounceOutDown { 0% { transform: translateY(0); } 20% { opacity: 1;
 * transform: translateY(-20px); } 100% { opacity: 0; transform: translateY(2000px); } }
 *
 * @author Jasper Potts
 */
public class BounceOutDownTransition extends CachedTimelineTransition {

    /**
     * Create new BounceOutDownTransition
     *
     * @param node The node to affect
     */
    public BounceOutDownTransition(final Node node) {
        super(node, null);
        setCycleDuration(Duration.seconds(1));
        setDelay(Duration.seconds(0.2));
    }

    @Override
    protected void starting() {
        double endY = node.getScene().getHeight() - node.localToScene(0, 0).getY();
        timeline = new Timeline(
                new KeyFrame(Duration.millis(0),
                        new KeyValue(node.translateYProperty(), 0, WEB_EASE)
                ),
                new KeyFrame(Duration.millis(200),
                        new KeyValue(node.opacityProperty(), 1, WEB_EASE),
                        new KeyValue(node.translateYProperty(), -20, WEB_EASE)
                ),
                new KeyFrame(Duration.millis(1000),
                        new KeyValue(node.opacityProperty(), 0, WEB_EASE),
                        new KeyValue(node.translateYProperty(), endY, WEB_EASE)
                ));
        super.starting();
    }

    @Override
    protected void stopping() {
        super.stopping();
        node.setTranslateY(0); // restore default
    }
}
